Dalla Torre, 1893: 175, 176 (Gesomyrmex, Dimorphomyrmex); Emery, 1925d: 46, 47 (Dimorphomyrmex, Gesomyrmex); Wheeler, 1929a: 10; Chapman & Capco, 1951: 208 (Asia); Bolton, 1995b: 207.
Forel, 1878c: 376 (diagnosis); Emery, 1925d: 46, 47 (Dimorphomyrmex, Gesomyrmex diagnoses); Cole, 1949a: 76 (all species key); Wheeler & Wheeler, 1970b: 652 (larva diagnosis); Wheeler & Wheeler, 1976b: 62 (larvae, review & synthesis); Dlussky, 1997a: 53 (in Baltic amber genera key); Dlussky et al., 2009: 5, 13 (diagnosis of genus, queens key); Dlussky & Putyatina, 2014: 250 (diagnosis, compression fossils); Dlussky et al., 2015 (diagnosis for fossil imprints); Cantone, 2017: 158 (brief male diagnosis).
Extant: 6 valid species (1 synonym), 1 valid subspecies (1 synonym)
Fossil: 11 valid species (3 synonyms, 1 unidentifiable, 2 obsolete combinations)